84068755 has 4 divisors (see below), whose sum is σ = 100882512. Its totient is φ = 67255000.

The previous prime is 84068713. The next prime is 84068779. The reversal of 84068755 is 55786048.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84068755 - 2¹¹ = 84066707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8406871 + ... + 8406880.

It is an arithmetic number, because the mean of its divisors is an integer number (25220628).

Almost surely, 2^84068755 is an apocalyptic number.

84068755 is a deficient number, since it is larger than the sum of its proper divisors (16813757).

84068755 is a wasteful number, since it uses less digits than its factorization.

84068755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813756.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 84068755 is about 9168.9015154488. The cubic root of 84068755 is about 438.0713710208.

It can be divided in two parts, 8406 and 8755, that added together give a square (17161 = 131²).

The spelling of 84068755 in words is "eighty-four million, sixty-eight thousand, seven hundred fifty-five".